Post Offices List in Pottawatomie County, Kansas:
| Belvue Post Office | 307 3rd St, Belvue, KS 66407 |
| Emmett Post Office | 501 Main St, Emmett, KS 66422 |
| Olsburg Post Office | 319 2nd St, Olsburg, KS 66520 |
| Onaga Post Office | 300 Lucien St, Onaga, KS 66521 |
| Saint George Post Office | 203 1st St, Saint George, KS 66535 |
| Saint Marys Post Office | 118 S 6th St, Saint Marys, KS 66536 |
| Wamego Post Office | 807 5th St, Wamego, KS 66547 |
| Westmoreland Post Office | 306 Main St, Westmoreland, KS 66549 |